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2-1 Steering Wheel and Column Steering

SECTION 2

STEERING WHEEL AND COLUMN

Application

Specification

English Metric

Gear Shift Lever Retaining Screw 14 lb ft 18 N-m

Ignition Switch Assembly 13 lb in 1.5 N-m

Intermediate Shaft Cover Retaining Screws 18 lb in 2 N-m

Intermediate Shaft to the steering Column Pinch Bolt 35 lb ft 47 N-m

Linear Shift Assembly to Steering Column Mtg. Screws 89 lb in 10 N-m

Assembly Screws 62 lb in 7 N-m

Steering Column Trim Cover Screws 31 lb in 3.5 N-m

Multifunction Switch - Lower 53 lb in 6 N-m

Steering Column Bulkhead Connector Screw 53 lb in 6 N-m

Steering Column Support Screws 13 lb ft 17 N-m

Steering Column Support Bracket Nut 18 lb ft 25 N-m

Horn Contact Plate Screws 50 lb in 5.5 N-m

Steering Wheel Nut 30 lb ft 41 N-m

Steering Column Trim Cover Screw - Upper 13 lb in 1.5 N-m

(2)

21. Ignition Switch Assembly

22. Steering Column Tilt Head Assembly 23. Lock Bolt Spring

24. Lock Bolt Assembly 25. Pan Head Tapping Screws 26. Wire Harness Strap 27. Spring Guide 28. Tilt Spring

29. Trim Cover Protector 30. Trim Cover Mounting Stud 31. Tilt Lever Assembly 32. Pan Head Tapping Screws 33. Pan Head Tapping Screws

34. Turn Signal / Multifunction Switch Assembly 35. Axial Position Assurance Connector

36. Wire Harness Straps

37. Race and Upper Shaft Assembly 38. Centering Sphere

39. Joint Preload Spring

40. Lower Steering Shaft Assembly 1. Upper Trim Cover

2. Lower Trim Cover 3. Shift Lever Assembly 4. Shift Lever Screw 5. Shift Lever Seal 6. Flanged Nut 7. Retaining Ring 8. N/A

9. Wave Washer (Some applications) 10. Bearing Retainer

11. Shaft Lock Shield Assembly 12. Turn Signal Cancel Cam 13. Upper Bearing Spring

14. Upper Bearing Inner Race Seat 15. Inner Race

16. Pan Head Tapping Screws 17. TORX®Head Screws

18. Ignition Lock Cylinder Case Assembly 19. Pan Head Tapping Screws

20. Tapping Screws

(3)

41. Linear Shaft Assembly 42. Park Lock Cable Assembly 43. Hexagon Flange Head Bolt 44. Cam Bushing

45. Cable Shift Cam Assembly 46. Cam Assembly

47. Shift Lever Gate

48. Oval Head Soc Tap Screws

49. Flat Head 6-Lobed Soc Tap Screws 50. Park Lock Position Switch Assembly 51. Actuator Bushing

52. Shift Actuator Shaft

53. Gear Shift Assembly Support Bracket

2-3 Steering Wheel and Column Steering

54. Actuator Assembly

55. Ball and Actuator Assembly 56. Hexagon Flange Head Bolt 57. TORX®Head Screws 58. Pivot Pins

59. Steering Column Support Arm 60. Steering Column Jacket Assembly 61. Inner Boot Seal

62. Adapter and Bearing Assembly 63. Intermediate Steering Shaft Assembly 64. Bolt and Retainer Assembly

65. Boot Seal

66. Automatic Transmission Shift Lock Control

Tilt Column, (cont’d)

(4)

30. Pan Head Tapping Screws

31. Turn Signal and Multifunction Switch Assembly 32. Axial Position Assurance Connector

33. Wire Harness Straps 34. Linear Shift Assembly 35. Park Lock Cable System 36. Hexagon Flange Head Bolt 37. Cam Bushing

38. Cable Shift Cam Assembly 39. Cam Bushing

40. Shift Lever Gate

41. Oval Head Soc Tap Screws

42. Flat Head 6-Lobed Soc Tap Screws 43. Park Lock Position Switch Assembly 44. Actuator Bushing

45. Shift Actuator Shaft

46. Gear Shift Lever Assembly Support Bracket 47. Actuator Bushing

48. Ball and Actuator Assembly 49. Hexagon Flange Head Bolt 50. Bearing Retainer

51. Steering Shaft Assembly

52. Steering Column Jacket Assembly 53. Inner Boot Seal

54. Adapter and Bearing Assembly 55. Intermediate Steering Shaft Assembly 56. Bolt and Retainer Assembly

57. Insulator Boot

58. Automatic Transmission Shift Lock Control 1. Upper Trim Cover

2. Lower Trim Cover 3. Shift Lever Assembly 4. Shift Lever Screw 5. Shift Lever Seal 6. Flanged Nut 7. Retaining Ring 8. N/A

9. Wave Washer (Some applications) 10. Bearing Retainer

11. Shaft Lock Shield Assembly 12. Turn Signal Cancel Cam 13. Upper Bearing Spring 14. Thrust Washer

15. Pan Head Tapping Screws 16. TORX Head Screws

17. Ignition Lock Cylinder Case Assembly 18. Pan Head Tapping Screw

19. Tapping Screws

20. Ignition Switch Assembly 21. TORX®Head Screws 22. Lock Bolt Spring 23. Lock Bolt Assembly

24. Steering Column Housing Assembly 25. TORX®Head Screw

26. Wire Harness Strap 27. Pan Head Tapping Screws 28. Trim Cover Mounting Stud 29. Trim Cover Protector

Standard Column Assembly

(5)

Symptoms List

• Lock System Does Not Unlock on page 2-6

• Lock System Does Not Lock on page 2-6

• Lock System Sticks in Start on page 2-7

• Key Cannot Be Removed in the Off Lock Position on page 2-7

• High Lock Effort on page 2-8

• Noise in Steering Column on page 2-8

• High Shift Effort on page 2-9

• Looseness in Steering Column on page 2-10

• Steering Column Tilt Function Inoperative on page 2- 10 diagnostic procedure from the following list in order to diagnose the symptom:

DIAGNOSTIC INFORMATION AND PROCEDURES

Symptoms - Steering Wheel and Column

Review the system description and operation in order to familiarize yourself with the system func- tions. Refer to Steering Wheel and Column De- scription and Operation on page 2-63.

Visual/Physical Inspection

Inspect for aftermarket devices which could affect the operation of the steering wheel and column.

Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

2-5 Steering Wheel and Column Steering

Lock System Does Not Unlock

(6)

Lock System Does Not Lock

Lock System Sticks in Start

(7)

2-7 Steering Wheel and Column Steering

Key Cannot Be Removed In Off Lock Position

High Lock Effort

(8)

Noise in Steering Column

(9)

2-9 Steering Wheel and Column Steering

High Shift Effort

Looseness in Steering Column

(10)

Steering Column Tilt Function Inoperative

(11)

Repair Instructions

Intermediate Steering Shaft Replacement

Tools Required

J 42640 Steering Column Pin

Removal Procedure

1. Install the J 42640 in the steering column lower ac- cess hole.

2. Remove the protective cover from the steering col- umn under the instrument panel to gain access to the bolt.

3. Remove the bolt retaining the intermediate shaft to the steering column.

2-11 Steering Wheel and Column Steering

(12)

4. Mark the intermediate shaft to/Steering gear align- ment before removal.

5. Position the intermediate shaft for access to the lower shaft pinch bolt. Turn the steering wheel to allow access to the pinch bolt.

Important: The intermediate shaft bolt contains an epoxy patch. When the intermediate shaft re- taining bolt is removed it must be replaced Apply Loctite 272) N 12345493 or equivalent to the threads of the bolts.

6. Remove the intermediate shaft retaining bolt from the steering gear stub shaft.

7. Remove the intermediate shaft from the vehicle.

Installation Procedure

1. Make sure to align the marks made at removal.

2. Install the intermediate shaft to the steering gear stub shaft.

Important: The intermediate shaft removing bolt contains an epoxy patch. When the intermediate shaft retaining bolt is removed it must be re- placed or – 5 Apply Loctite 272),~PN 12345493 or equivalent to the threads of the bolt

Notice: Refer to Fastener Notice on page P-6 in Cautions and Notices. Install the intermediate shaft retaining bolt to the steering gear stub shaft.

Tighten

Tighten the intermediate shaft retaining bolt to the steering gear stub shaft to 61 N.m (45 lb ft).

3. Install the intermediate shaft (2) to the steering column (1).

Important: Make sure the upper cover to the steering column is inside the intermediate shaft cover.

4. Install the intermediate shaft retaining bolt (3) to the steering column (1).

Tighten

Tighten the intermediate shaft bolt to the steering column to 47 N.m (35 lb ft).

(13)

5. Remove the J 42640 from the steering column lower access hole.

Steering Steering Wheel and Column

Steering Column Accident Damage Inspection

• Vehicles involved in accidents resulting in frame damage, major body or sheet metal damage or where the steering column has been impacted may also have a damaged or misaligned steering column.

• Check the capsules on the steering column bracket assembly: all must be securely seated in the bracket slots and checked for any loose conditions when pushed or pulled by hand. If not, the bracket should be replaced if bolted to the jacket assembly. If the bracket is welded to the jacket assembly replace the jacket assembly.

• Check for jacket assembly collapse by measuring the distance from the lower edge of the upper jacket to a defined point on the lower jacket. If measured dimen- sions are not within specifications, a new jacket must be installed.

• Visually inspect steering shaft for sheared injected plastic (1). If steering shaft shows sheared plastic, a new steering shaft must be installed.

• Any frame damage that could cause a bent steering shaft must have the steering shaft runout checked in the following manner. Using a dial indicator at the lower end of the steering shaft, have the steering wheel rotated. Runout must not exceed 1.60 mm (0.625 in).

(14)

Steering Column Trim Covers Replacement

Removal Procedure

1. Remove the steering wheel. Refer to Steering Wheel Replacement in this section.

2. Remove the tilt lever. Refer to Tilt Lever Replace- ment in this section.

3. Remove the 2 pan head tapping screws (1) from the lower shroud (2).

4. Tilt the lower shroud down.

5. Slide the lower shroud backward in order to disen- gage the locking tabs.

6 Remove the lower shroud from the upper shroud.

7. Remove the shroud protector (1) from the lower shroud (2).

8. Remove the 2 TORX® head screws (1) from the upper shroud (2).

9. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in this section.

10. Remove the upper shroud (2) from the steering col- umn.

Installation Procedure

1. Install the upper shroud (2) onto the steering column.

2. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement on page 2-22.

Notice: Refer to Fastener Notice on page P-6 in Cautions and Notices.

3. Screw the 2 TORX® head screws (1) into the upper shroud (2).

Tighten

Tighten the 2 TORX® head screws to 1.5 N•m (13 lb in).

4. Install the shroud protector (1) onto the lower shroud (2).

Important: The shift lever seal must be seated in the shrouds.

5. Install the lower shroud onto the upper shroud.

6. Match the tab slots on the lower shroud with the lock- ing tabs on the upper shroud.

7. Tilt the lower shroud up.

(15)

8. Slide the lower shroud forward until the locking tabs snap into the tab slots.

9. Screw the 2 pan head tapping screws (1) into the lower shroud (2).

Tighten

Tighten the 2 pan head tapping screws to 3.5 N.m (31 lb in).

10. Install the tilt lever. Refer to Tilt Lever Replacement in this section.

11. Install the steering wheel. Refer to Steering Wheel Replacement in this section.

IGNITION SWITCH REPLACEMENT

Removal Procedure

1. Remove the tilt lever. Refer to Tilt Lever Replace- ment in this section.

2. Remove the trim covers from the column. Refer to Steering Column Trim Covers Replacement in this section.

3. Remove the knee bolster, if equipped.

4. Disconnect the steering column electrical connec- tors.

5. Remove the wire harness assembly (1) from the wire harness strap (2).

6. Remove and dispose of the smaller wire harness straps.

7. Slide the 2 connectors of the turn signal and multi- function switch assembly out of the harness connec- tor.

8. Remove the key alarm connector (1) from the igni- tion lock cylinder case assembly (2).

8.1. Rotate the key alarm connector (1) 90 degrees.

8.2. Pull the key alarm connector (1) out of the igni- tion lock cylinder case assembly (2).

9. Remove the 2 tapping screws (2) from the ignition and key alarm switch assembly (1).

10. Remove the ignition switch assembly (1) from the ig- nition lock cylinder case assembly.

Installation Procedure

1. Install the ignition switch assembly (1) onto the igni- tion lock cylinder case assembly.

2. Screw the 2 tapping screws into the ignition switch assembly.

Tighten

Tighten the 2 tapping screws to 3.5 N.m (13 lb in).

3. Install the key alarm connector (1) into the ignition lock cylinder case assembly (2).

3.1. Push the key alarm connector (1) into the igni- tion lock cylinder case assembly (2).

3.2. Rotate the key alarm connector (1) 90 degrees so that the key alarm connector (1) locks into place

2-15 Steering Wheel and Column Steering

(16)

4. Connect the 2 connectors of the turn signal and mul- tifunction switch assembly into the harness connec- tor.

5. Connect the steering column electrical connectors.

6. Attach new wire harness straps to the wire harness assembly.

7. Attach the wire harness assembly (1) to the wire har- ness strap (2).

8. Install the trim covers to the column.

9. Install the tilt lever. Refer to Tilt Lever Replacement in this section.

10. Connect the steering column electrical connectors

IGNITION LOCK CYLINDER REPLACEMENT

Removal Procedure

1. Position the steering wheel half way between the upper and lower tilt stops.

2. Remove the steering wheel. Refer to Steering Wheel Replacement in this section.

3. Roll back the shift lever seal from the upper and the lower shrouds.

4. Remove the tilt wheel lever. Refer to Tilt Lever Re- placement in this section.

5. Remove the steering column trim covers.

6. Lift the upper steering column shroud to gain access to the lock cylinder access hole.

7. Using a bent tip awl, insert the tip into the ignition lock cylinder access hole.

(17)

8. Turn the ignition lock cylinder to the START position.

9. Using the bent tip awl, push down on the ignition lock cylinder retaining pin.

10. Release the ignition lock cylinder to the RUN posi- tion.

11. Remove the ignition lock cylinder from the ignition lock cylinder case assembly by pulling the ignition lock cylinder away from the steering column.

2-17 Steering Wheel and Column Steering

(18)

Installation Procedure

1. Insert the ignition lock cylinder through the upper shroud.

2. Install the ignition lock cylinder to the ignition lock cylinder case assembly by doing the following proce- dures:

2.1. Align the positioning slot and locking tab slot on the ignition lock cylinder case assembly to the po- sitioning tab and locking tab on the ignition lock cylinder.

2.2. Push the ignition lock cylinder into the ignition lock cylinder case assembly until the locking tab locks against the locking tab.

3. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement in this section.

4. Install the shift lever seal to the upper and the lower shrouds.

5. Install the steering wheel. Refer to Steering Wheel Replacement in this section.

6. Install the tilt wheel lever. Refer to Tilt Lever Replace- ment in this section.

Ignition Lock Cylinder Case Replacement

Removal Procedure

1. Remove the steering wheel. Refer to Steering Wheel Replacement on page 2-36.

2. Remove the shift lever. Refer to Shift Lever Replace- ment on page 2-28.

3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in this section.

4. If tilt column, remove the steering column tilt head components.

5. If standard column, remove the steering column components..

6. f necessary, remove the park lock cable assembly (1) from the ignition lock cylinder case assembly.

6.1. Place the lock cylinder in the OFF-LOCK posi- tion.

6.2. Place the shift lever into the PARK position.

6.3. Insert a small screwdriver into the slot on the ignition lock cylinder case assembly. Push against the locking tab on the end of the park lock cable assembly (1).

6.4. Disconnect the park lock cable assembly (1) from the ignition lock cylinder case assembly.

7. Rotate the key alarm connector (1) 90 degrees.

8. Pull the key alarm connector (1) out of the ignition lock cylinder case assembly (2).

9. Remove the 2 tapping screws from the ignition switch (3).

10. Remove the ignition switch (3) from the ignition lock cylinder case assembly (2).

11. Let the ignition switch (3) hang freely.

(19)

12. Remove the 3 pan head tapping screws (2) from the ignition lock cylinder case assembly (1).

13. Remove the ignition lock cylinder case assembly (1) from the steering column tilt head assembly

Installation Procedure

1. Install the ignition lock cylinder case assembly (1) onto the steering column tilt head assembly.

Notice: Refer to Fastener Notice on page P-6 in Cautions and Notices.

2. Screw the 3 pan head tapping screws

3. Install the ignition switch assembly (1) onto the igni- tion lock cylinder case assembly (2).

4. Screw the 2 tapping screws into the ignition switch (1).

Tighten

Tighten the tapping screws to 1.5 N.m (13 lb in).

5. Install the key alarm connector (3) onto the ignition lock cylinder case assembly (2) by doing the follow- ing:

5.1. Push the key alarm connector (1) into the igni- tion lock cylinder case assembly (2).

5.2. Rotate the key alarm connector 90 degrees so that the key alarm connector locks into place.

6. If necessary, connect the park lock cable assembly (1):

6.1. Place the lock cylinder in the ACCESSORY po- sition.

6.2. Place the gear shift lever into the PARK posi- tion.

6.3. Press the locking tab on the end of the park lock cable assembly (1) into the slot in the ignition lock cylinder case assembly.

7. If standard column, install the steering column com- ponents.

8. If tilt column, install the steering column tilt head components.

9. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement in this section.

10. Install the shift lever.

11. Install the steering wheel. Refer to Steering Wheel Replacement in this section.

2-19 Steering Wheel and Column Steering

(20)

Multifunction, Turn Signal Switch Replacement

Removal Procedure

1. Loosen the steering column bracket nuts.

2. Remove the steering column trim covers.

3. Disconnect the steering column bulkhead connector from the vehicle harness.

4. Disconnect the gray and black connectors (2) of the switch from the column bulkhead connector.

5. Remove the retaining screws from the switch.

6. Remove the multifunction turn signal/hazard switch from the vehicle.

(21)

Installation Procedure

1. Install the multifunction switch to the steering col- umn.

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the screws that retain the multifunction switch to the steering column.

Tighten

Tighten the screws to 6 N.m (53 lb in).

3. Install the gray and black wiring harness connectors (2) to the steering column bulkhead connector.

4. Install the steering col mn bulkhead connector to the vehicle wire harness.

Tighten

Tighten the center screw to 6 N.m (53 lb in).

5. Install the electrical connector to the ATSLC.

6. Install the straps that ecure the steering column wiring harness.

7. Install the steering col mn trim covers. Refer to Steer- ing Column Trim Covers Replacement on page 2-16.

8. Install the steering col mn bracket nuts.

Tighten

Tighten the nuts o 30 •m (22 lb ft).

9. Place the lever in e center or the OFF position.

2-21 Steering Wheel and Column Steering

(22)

Shift Lever Replacement

Removal Procedure

1. Roll the shift lever boot back until the TORX® head screw is exposed.

2. Remove the TORX® head screw.

3. Remove the shift lever.

Installation Procedure

1. Install the shift lever.

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the TORX® head screw.

Tighten

Tighten the TORX® head screw to 18 N.m (14 lb in).

3. Roll the shift lever boot over the TORX® head screw.

Linear Shift Assembly

Removal Procedure

1. Remove the shift lever. Refer to Shift Lever Replace- ment on page 2-28

2. The steering column lock cylinder set should be in the OFF-LOCK position.

3. Insert a small screwdriver into the slot on the ignition lock cylinder case assembly and push against the locking tab to remove the park lock cable assembly (1).

4. Disconnect the PVT shift lock control connector from the park position switch assembly.

5. Slide the park position switch assembly off of the lin- ear shift assembly.

6. Use a small screwdriver to gently pry the A/T shift lock control from the steering column jacket assem- bly.

(23)

7.

Remove the 3 TORX® screws from the linear shift assembly.

8. Remove the linear shift assembly from the steering column support assembly.

9. To disassemble the linear shift assembly, remove the 2 hexagon flange head bolts (2).

10. Remove the ball and actuator assembly (1).

11. Remove the cable shift cam assembly (3).

12. Remove the shift lever shaft.

2-23 Steering Wheel and Column Steering

(24)

13. Remove the 2 actuator bushings.

14. Remove the 3 oval head screws (2) from the shift lever gate (3).

15. Remove the shift lever gate (3) from the support bracket (1) on the gear shift lever assembly.

Installation Procedure

If installing the linear shift assembly as an assembly, proceed to step 11.

1. Install the shift lever gate (3) onto the gear shift lever assembly support bracket (1).

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the 3 oval head screws (2) onto the shift lever gate (3).

Tighten

Tighten the screws to 7 N.m (62 lb in).

(25)

3. Install the 2 actuator bushings.

4. Install the shift actuator shaft.

5. Install the cable shift cam assembly (3).

6. Install the ball and actuator assembly (1).

7. Install the 2 hexagon flange head bolts (2).

Tighten

Tighten the bolts to 18 N.m (13 lb ft).

2-25 Steering Wheel and Column Steering

(26)

8. Install the A/T shift lock control. Install the shift lever clevis and put the column in the neutral position, which is 2 positions from the park position.

9. Slide the park position switch assembly onto the lin- ear shift assembly.

10. Connect the A/T shift lock control connector onto the park position switch assembly.

11. Install the linear shift assembly onto the steering col- umn support assembly.

12. Secure the linear shift assembly to the steering col- umn with 3 flat head tapping screws. Move the linear shift assembly out of the PARK position to install the lower socket tapping screw.

Tighten

Tighten the bolts to 10 N.m (89 lb in).

13. Connect the park lock cable assembly (1) to the lock module assembly using the following procedure:

• Place the steering column lock cylinder set into the OFF position.

• Place the shift lever clevis into the PARK position.

• Press the locking tab on the end of the park lock cable assembly (1) into the slot in the lock module assem- bly.

(27)

14. Install the shift lever.

Tilt Lever Replacement

Removal Procedure

Pull the tilt steering column lever (1) out from the steering column (2).

Installation Procedure

Align the tilt steering column lever (1) and push the lever into the steering column (2).

Steering Wheel Replacement

Tools Required

J 1859-A Steering Wheel Puller

Removal Procedure

1. Mark the relationship of the steering wheel (1) to the column.

2. Remove the steering wheel and the nut (2).

3. Use the J 1859-A in order to remove the steering wheel from the column.

Installation Procedure

1. With the marked relationship references in line, in- stall the steering wheel (1) onto the column.

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the steering wheel nut (2).

Tighten

Tighten the bolts to 41 N.m (30 lb ft).

Tilt Spring Replacement

Removal Procedure

1. Remove the upper and lower trim covers.

2. Install the tilt lever onto the steering column tilt head assembly.

3. Use the tilt lever to tilt the column to the UP position.

2-27 Steering Wheel and Column Steering

(28)

Caution: The tilt spring and the spring guide are under pressure. The tilt spring and the spring guide may become a projectile. Secure the spring with locking pliers during removal. Secure the spring with locking pliers during installation.

Bodily injury may result during removal and in- stallation of the tilt spring and the spring guide.

Always use caution during removal and installa- tion of the tilt spring and the spring guide.

4. Remove the tilt spring (1) from the steering column support assembly (2) and from the steering column tilt head assembly (3) by using the following proce- dure:

4.1. Pry up the tilt spring (1) until a bulge occurs and most of the tilt spring tension is removed.

4.2. Secure the tilt spring (1) with locking pliers.

4.3. Continue prying up the tilt spring (1) until the tilt spring disengages from the post on the steering column support assembly (2) and from the steer- ing column tilt head assembly (3).

5. Remove the spring guide (1) from the tilt spring (2).

Installation Procedure

1. Use the tilt lever to tilt the column to the UP position.

2. Install the spring guide into the tilt spring.

Caution: The tilt spring and the spring guide are under pressure. The tilt spring and the spring guide may become a projectile. Secure the spring with locking pliers during removal. Secure the spring with locking pliers during installation.

Bodily injury may result during removal and in- stallation of the tilt spring and the spring guide.

Always use caution during removal and installa- tion of the tilt spring and the spring guide.

3. Install the tilt spring (1) onto the steering column sup- port assembly (2) and onto the steering column tilt head assembly by using the following procedure:

3.1. Install the tilt spring (1) onto the steering col- umn tilt head assembly.

3.2. Install the tilt spring (1) onto the post on the steering column support assembly (2).

4.Install the upper and lower trim covers.

(29)

Turn Signal Cancel Cam and Upper Bearing Inner Race Replacement

Tools Required

• J 23653-SIR Lock Plate Compressor

• J 42137 Cam Orientation Plate Adapter

Removal Procedure

1. Compress the shaft lock shield assembly using J 23653-SIR and J 42137.

2. Remove the bearing retainer (1) from the steering shaft assembly.

3. Discard the bearing retainer.

4. Remove J 23653-SIR and J 42137 from the steering shaft assembly.

5. Remove the following parts from the steering shaft assembly:

5.1. The shaft lock shield assembly (5) 5.2. The turn signal cancel cam assembly (4) 5.3. The upper bearing spring (3)

5.4. The upper bearing inner race seat (2) 5.5. The inner race (1)

Installation Procedure

1. Lubricate the lower brass surface of the turn signal cancel cam assembly (4) with GM P/N 12377900 (Canadian P/N 10953529).

2. Lubricate the inner race with GM P/N 12345718 (Canadian P/N 10953516)

3. Install the following parts onto the steering shaft as- sembly:

3.1.The inner race (1)

3.2.The upper bearing inner race seat (2) 3.3.The upper bearing spring (3)

3.4.The turn signal cancel cam assembly (4) 3.5.The shaft lock shield assembly (5)

2-29 Steering Wheel and Column Steering

(30)

4. Compress the shaft lock shield assembly using J 23653-SIR and J 42137.

5. Install the new bearing retainer (1) onto the steering shaft assembly.

6. Firmly seat the bearing retainer (1) into the groove on the steering shaft assembly.

7. Remove J 23653-SIR and J 42137 from the steering shaft assembly.

Turn Signal Cancel Cam and Upper Bearing Thrust Washer

Tools Required

• J23653-SIR Steering Column Lock Plate Compressor

• J 42137 Cam Orientation Plate

Removal Procedure

1. Compress the shaft lock shield assembly using J 23653-SIR and J 42137.

2. Remove the bearing retainer (1) from the steering shaft assembly.

3. Discard the bearing retainer.

3. Remove J23653-SIR and J 42137 from the steering shaft assembly.

4. Remove the following parts from the steering shaft assembly:

4.1. The shaft lock shield assembly (4)

4.2. The turn signal cancel cam assembly (3) 7.3.

The upper bearing spring (2) 4.4. The thrust washer (1)

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Installation Procedure

1. Install the following parts onto the steering shaft as- sembly:

1.1. The thrust washer (1) 1.2. The upper bearing spring (2)

1.3. Lubricate the turn signal cancel ca assembly with GM P/N 2377900:.2. Compress the shaft lock shield assembly using

J 23653-SIR and J 42137.

2. Compress the shaft lock shield using J23653-SIR and J 42137. Install the new bearing retainer (1) onto the steering shaft assembly.

3. Firmly seat the bearing retainer (1) into the groove on the steering shaft assembly.

3. Remove J 23653-SIR and J 42137 from the steering shaft assembly.

Steering Column Replacement Tools Required

• J 42640 Steering Column Pin

Removal Procedure

Important: Position the wheels straight ahead, and lock the steering column.

1. Remove the left knee bolster trim panel, if equipped.

Notice: Once the steering column is removed from the vehicle, the column is extremely sus- ceptible to damage. Dropping the column assem- bly on the end could collapse the steering shaft or loosen the plastic injections, which maintain column rigidity. Leaning on the column assem- bly could cause the jacket to bend or deform.

Any of the above damage could impair the columns collapsible design. Do NOT hammer on the end of the shaft, because hammering could loosen the plastic injections, which maintain col- umn rigidity. If you need to remove the steering

2-31 Steering Wheel and Column Steering

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wheel, refer to the Steering Wheel Replacement procedure in this section.

2. Remove the shift cable (1) from the steering column.

& (Canadian P/N 10953529

3. Install the J 42640 in the lower steering column shroud access hole.

4. Remove the Intermediate shaft from the steering gear..

5. Remove the steering column electrical connectors.

6. Remove the nuts retaining the column to the IP 7. Remove the column from the vehicle.

Installation Procedure

Caution: In order to ensure the intended function of the steering column in a vehicle during a crash and in order to avoid personal injury to the driv- er, perform the following:

• Tighten the steering column lower fasteners be- fore you tighten the steering column upper fas- teners. Failure to do this can damage the steering column.

• Tighten the steering column fasteners to the specified torque. Overtightening the upper steer- ing column fasteners could affect the steering column collapse.

1. Install the column to the vehicle.

Notice: Refer to Fastener Notice in Cautions and Notices.

2. Install the nuts retaining the column to the IP.

Tighten

Tighten the support bolts and the nut to 25 N-m (18 lb ft).

3. Install the steering column electrical connectors.

4. Install the steering column to the intermediate shaft.

Refer to Intermediate Steering Shaft Replacement in this section.

5. Remove the J 42640 from the lower steering column shroud access hole.

(33)

DESCRIPTION AND OPERATION

Steering Wheel and Column Description and Operation

The steering wheel and column has 4 primary functions:

• Vehicle steering

• Vehicle security

• Driver convenience

• Driver safety

• Vehicle Steering

The steering wheel is the first link between the driver and the vehicle. The steering wheel is fastened to a steering shaft within the column. At the lower end of the column, the intermediate shaft connects the column to the steering gear.

Vehicle Security-Some Vehicle Models

Theft deterrent components are mounted and designed into the steering column. The following components allow the column to be locked in order to minimize theft:

• The ignition switch

• The steering column lock

• The ignition cylinder

Driver Convenience

The steering wheel and column may also have driver controls attached for convenience and comfort.

The following controls may be mounted on or near the steering wheel or column.

• The turn signal switch

• The hazard switch

• The headlamp dimmer switch

• The wiper/washer switch

• The horn pad/cruise control switch

• The tilt or tilt/telescoping functions

Driver Safety

The energy-absorbing steering column compresses in the event of a front-end collision, which reduces the chance of in- jury to the driver. The mounting capsules break away from the mounting bracket in the event of an accident.

2-33 Steering Wheel and Column Steering

References

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